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Love or kill thy neighbor? New study into animal social behavior
Date:3/6/2014

r neighbours die sooner but at the same time help them reproduce. In other terms, the interaction is spiteful when it comes to survival, but altruistic on fecundity.

Dr Dbarre, who is based at the University of Exeter's Penryn Campus in Cornwall, said: "In structured populations, social behaviour evolves if, for social individuals, the net social benefit of living next to other social individuals outweighs the costs of competing against them. We show that the latter depends on the way the population is updated, the type of social game that is played, and on how social interactions affect individual fertility and survival.

"There are ongoing and sometimes very heated debates on which mechanisms favour the evolution of social behaviour. Our mathematical framework also aims at reconciling these different approaches, and shows that they mainly correspond to different viewpoints of the same questions, depending on if we want to give explanations in terms of who is giving benefits to others, or who is receiving benefits."


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Contact: Eleanor Gaskarth
e.f.gaskarth@exeter.ac.uk
44-782-730-9332
University of Exeter
Source:Eurekalert  

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